Coronary StenosisCoronary VesselsCoronary CirculationCoronary AngiographyCoronary DiseaseCoronary Artery DiseaseDogsAngioplasty, Balloon, CoronaryFractional Flow Reserve, MyocardialCarotid StenosisHemodynamicsConstriction, PathologicMyocardial IschemiaCoronary Artery BypassMyocardial InfarctionCollateral CirculationAortic Valve StenosisCoronary Vessel AnomaliesCoronary OcclusionCoronary VasospasmCoronary AneurysmCoronary ThrombosisCzechoslovakiaElectrocardiographyHyperemiaAdenosineBlood Flow VelocitySpinal StenosisStentsEchocardiographyDipyridamoleSwineDobutamineNitroglycerinCardiac CatheterizationMyocardial ContractionTracheal StenosisTomography, X-Ray ComputedMyocardial StunningSwine, MiniatureHeartUltrasonography, InterventionalVasodilator AgentsMyocardiumSensitivity and SpecificityTreatment OutcomeAngina PectorisMicrospheresFistulaCoronary SinusSeverity of Illness IndexPredictive Value of TestsPericardiumCoronary RestenosisTime FactorsBlood PressureFollow-Up StudiesVasodilationVascular ResistancePyloric StenosisExercise TestUSSRThallium RadioisotopesMitral Valve StenosisMyocardial ReperfusionProspective StudiesPulmonary Valve StenosisVentricular Function, LeftHeart RateRisk FactorsContrast MediaCalcinosisPercutaneous Coronary InterventionSurgery, VeterinaryAngina Pectoris, VariantTomography, Emission-Computed, Single-PhotonHeart VentriclesTomography, Spiral ComputedChest PainRegional Blood FlowArterial Occlusive DiseasesMyocardial RevascularizationMagnetic Resonance AngiographyAngina, UnstableDisease Models, AnimalEchocardiography, StressMyocardial Perfusion ImagingVasoconstrictionRetrospective StudiesPhysical ExertionAdrenergic beta-AntagonistsAngiographyMitral ValveEndothelium, VascularSaphenous VeinMultidetector Computed TomographyEndocardiumReproducibility of ResultsMucocutaneous Lymph Node SyndromeObserver Variation